311400132322 has 16 divisors (see below), whose sum is σ = 474829343352. Its totient is φ = 153124456320.

The previous prime is 311400132271. The next prime is 311400132359. The reversal of 311400132322 is 223231004113.

It can be written as a sum of positive squares in 4 ways, for example, as 309891509041 + 1508623281 = 556679^2 + 38841^2 .

It is a super-2 number, since 2×311400132322² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 311400132293 and 311400132302.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 631878 + ... + 1010974.

Almost surely, 2^311400132322 is an apocalyptic number.

311400132322 is a deficient number, since it is larger than the sum of its proper divisors (163429211030).

311400132322 is a wasteful number, since it uses less digits than its factorization.

311400132322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385893.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 311400132322 its reverse (223231004113), we get a palindrome (534631136435).

The spelling of 311400132322 in words is "three hundred eleven billion, four hundred million, one hundred thirty-two thousand, three hundred twenty-two".